Lock escutcheon



FIG. 1 is a first perspective view of a lock escutcheon showing my new design;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a rear view of FIG. 1;

FIG. 4 is a left side view of FIG. 1;

FIG. 5 is a right side view of FIG. 1;

FIG. 6 is a top view of FIG. 1;

FIG. 7 is a bottom view of FIG. 1; and,

FIG. 8 is a second perspective view of a lock escutcheon showing my new design.

The broken lines depict portions of the lock escutcheon that form no part of the claimed design. 

CLAIM The ornamental design for a lock escutcheon, as shown and described. 